What component is typically used for speed control in hydraulic applications?

In hydraulic applications, a flow control valve is utilized for speed control because it regulates the flow rate of hydraulic fluid to an actuator, such as a hydraulic motor or cylinder. By adjusting the flow of fluid, the speed at which the actuator operates can be increased or decreased. This provides precise control over motion, allowing for smooth and variable speeds as required by the application.

A flow control valve works by constricting or allowing fluid to pass through, which directly influences the actuator's performance. The ability to fine-tune flow rates is essential in many industrial applications where speed regulation is necessary for effective operation.

The other components listed serve different functions; a relief valve is designed to divert excess pressure and protect the system from overpressure, ensuring safety rather than controlling speed. A pressure gauge monitors the pressure within the hydraulic system without affecting flow or speed. An accumulator stores hydraulic fluid under pressure to maintain system pressure and provides supplemental fluid flow but does not control speed directly.